✔Saving Power:Maximum 120 days working time with 10000mAh Lithium-iron battery. This one is the ideal choice if you don`t want to charge it too often. Longer standby than our TK905(Search ASIN:B06Y693JC1)

✔No Installation Needed: Easy attach to any iron surface with Strong Magnet, even under the car just a second.Unique Waterproof design,never need to worry the rainy days.